Roof exhaust



FIG. 1 is a perspective view of a roof exhaust bearing the design.

FIG. 2 is a front view of the roof exhaust of FIG. 1.

FIG. 3 is a rear view of the roof exhaust of FIG. 1.

FIG. 4 is a left-side view of the roof exhaust of FIG. 1.

FIG. 5 is a right-side view of the roof exhaust of FIG. 1.

FIG. 6 is a top view of the roof exhaust of FIG. 1; and,

FIG. 7 is a bottom view of the roof exhaust of FIG. 1.

The broken lines represent environment that forms no part of the claim. 

CLAIM The ornamental design for a roof exhaust, as shown and described. 